119 lines
4.5 KiB
C
119 lines
4.5 KiB
C
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//=============================================================================
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// Microsoft (R) Bloodhound (tm). Copyright (C) 1991-1992.
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//
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// MODULE: buffer.h
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//
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// This source file contains defintions for Bloodhound buffers.
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//=============================================================================
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#if !defined(_BUFFER_)
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#pragma option push -b -a8 -pc -A- /*P_O_Push*/
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#define _BUFFER_
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#pragma pack(1)
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#define BUFFERSIZE ((DWORD) 32768U) //... Size of each buffer (NDIS and ODI NAL's).
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#define ONE_MEG 32
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#define ONE_HALF_MEG (ONE_MEG / 2)
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#define STAT_FRAME_SIZE 1024
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//=============================================================================
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// Frame type.
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//=============================================================================
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typedef struct _FRAME
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{
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DWORD TimeStamp; //... Relative time in milliseconds.
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WORD FrameLength; //... MAC frame length.
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WORD nBytesAvail; //... Actual frame length copied.
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BYTE MacFrame[0]; //... Frame data.
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} FRAME;
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typedef FRAME *LPFRAME;
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typedef FRAME UNALIGNED *ULPFRAME;
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#define FRAME_SIZE sizeof(FRAME)
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//=============================================================================
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// Buffer Table Entry (BTE). This is the private part of the buffer for
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// the NDIS 2.0, NDIS 3.0, and ODI nals.
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//=============================================================================
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typedef struct _BTE *LPBTE;
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typedef struct _BTE
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{
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DWORD ObjectType; //... 'BTE$'. Filled in byt kernel.
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DWORD Flags; //... Used by Nal/driver.
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LPBTE KrnlModeNext; //... Optional, reserved for NAL usage.
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LPBTE Next; //... Pointer to next BTE.
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LPFRAME UserModeBuffer; //... User mode buffer pointer.
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LPVOID KrnlModeBuffer; //... Kernel mode buffer pointer.
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DWORD Length; //... Overall buffer length (in bytes)
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DWORD ByteCount; //... Number of bytes in buffer.
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DWORD FrameCount; //... Number of frames in buffer.
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WORD DropCount; //... Number of dropped frames detected.
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WORD TransfersPended; //... Number of transferdatas pended by mac
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} BTE;
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#define BTE_SIZE sizeof(BTE)
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//=============================================================================
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// Buffer type.
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//=============================================================================
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typedef struct _BUFFER
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{
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//=========================================================================
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// PUBLIC portion of BUFFER type. This section is filled in by NAL.DLL.
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// The public section is 64 bytes in size.
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//=========================================================================
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DWORD ObjectType; //... 'BUF$'.
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DWORD NetworkID; //... Network ID.
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DWORD BufferSize; //... Buffer size requested.
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DWORD TotalBytes; //... Total bytes captured.
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DWORD TotalFrames; //... Total frames captured.
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LPVOID hNetwork; //... Handle of network.
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SYSTEMTIME TimeOfCapture; //... Time of capture.
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LPBTE StatFrameBTE; //... Pointer to the stat frame
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DWORD Reserved[5]; //... Reserved for future use.
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//=========================================================================
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// PRIVATE portion of BUFFER type. This section is filled by NAL drivers/dlls.
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// The private section is 32 bytes in size.
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//=========================================================================
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// BYTE Private[32]; //... 32 bytes of private space for NAL use.
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// start MSINTERNAL
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DWORD HeadBTEIndex; //... BTE containing frame #1, filled in by NAL.
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DWORD TailBTEIndex; //... BTE containing frame #N, filled in by NAL.
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DWORD NumberOfBuffers; //... Total number of BTE's, filled in by kernel.
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DWORD NumberOfBuffersUsed;//... Total number of BTE's used, filled in by driver.
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DWORD Pad[4]; //... Pad out to 32 bytes.
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BTE bte[0]; //... BTE's follow BUFFER structure in memory.
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// stop MSINTERNAL
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} BUFFER;
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typedef BUFFER *HBUFFER;
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//=============================================================================
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// FUNCTION: GetBteIndex();
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//
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// Modification History
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//
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// raypa 07/10/93 Created.
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//=============================================================================
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#define GetBteIndex(hBuffer, lpBte) ((DWORD) ((lpBte) - (hBuffer)->bte))
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#pragma pack()
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#pragma option pop /*P_O_Pop*/
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#endif
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